author | Kim Alvefur <zash@zash.se> |
Mon, 14 Sep 2015 12:59:48 +0200 | |
changeset 1857 | c25a0ac8b511 |
parent 1285 | f1a0a0754b87 |
child 3409 | bd71c97de1d0 |
permissions | -rw-r--r-- |
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local jid_bare = require "util.jid".bare; |
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local os_time = os.time; |
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local t_concat = table.concat; |
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local smtp = require "socket.smtp"; |
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mod_offline_email: Much cleanup. Very update to newer APIs. Wow.
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local smtp_server = module:get_option_string("smtp_server", "localhost"); |
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local smtp_user = module:get_option_string("smtp_username"); |
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local smtp_pass = module:get_option_string("smtp_password"); |
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local smtp_address = module:get_option("smtp_from") or ((smtp_user or "xmpp").."@"..(smtp_server or module.host)); |
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local queue_offline_emails = module:get_option("queue_offline_emails"); |
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if queue_offline_emails == true then queue_offline_emails = 300; end |
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local send_message_as_email; |
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module:hook("message/offline/handle", function(event) |
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local stanza = event.stanza; |
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local text = stanza:get_child_text("body"); |
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if text then |
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return send_message_as_email(jid_bare(stanza.attr.to), jid_bare(stanza.attr.from), text); |
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end |
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end, 1); |
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function send_message_as_email(address, from_address, message_text, subject) |
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module:log("info", "Forwarding offline message to %s via email", address); |
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local rcpt = "<"..address..">"; |
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local mesgt = { |
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headers = { |
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to = address; |
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subject = subject or ("Offline message from "..jid_bare(from_address)); |
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}; |
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body = message_text; |
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}; |
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local ok, err = smtp.send{ from = smtp_address, rcpt = rcpt, source = smtp.message(mesgt), |
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server = smtp_server, user = smtp_user, password = smtp_pass }; |
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if not ok then |
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module:log("error", "Failed to deliver to %s: %s", tostring(address), tostring(err)); |
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return; |
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end |
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return true; |
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end |
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if queue_offline_emails then |
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local queues = {}; |
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local real_send_message_as_email = send_message_as_email; |
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function send_message_as_email(address, from_address, message_text) |
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local pair_key = address.."\0"..from_address; |
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local queue = queues[pair_key]; |
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if not queue then |
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parents:
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queue = { from = smtp_address, to = address, messages = {} }; |
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queues[pair_key] = queue; |
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module:add_timer(queue_offline_emails+5, function () |
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module:log("info", "Checking on %s", from_address); |
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local current_time = os_time(); |
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local diff = current_time - queue.last_message_time; |
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if diff > queue_offline_emails then |
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module:log("info", "Enough silence, sending..."); |
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real_send_message_as_email(address, from_address, t_concat(queue.messages, "\n"), "You have "..#queue.messages.." offline message"..(#queue.messages == 1 and "" or "s").." from "..from_address) |
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else |
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module:log("info", "Next check in %d", queue_offline_emails - diff + 5); |
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return queue_offline_emails - diff + 5; |
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end |
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end); |
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end |
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queue.last_message_time = os_time(); |
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local messages = queue.messages; |
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messages[#messages+1] = message_text; |
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return true; |
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end |
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end |